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Updated: Oct 25, 2025
High-throughput Synthesis of Carbohydrates and Functionalization of Polyanhydride Nanoparticles
Published on: July 6, 2012
Polysaccharide-based (nano)materials for Cr(VI) removal
Yasin Orooji1, Zahra Nezafat2, Mahmoud Nasrollahzadeh2
1Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China.
Polysaccharide-based nanomaterials offer an effective solution for removing toxic hexavalent chromium (Cr(VI)) from the environment. These materials utilize adsorption, photocatalysis, and chemical reduction for efficient chromium remediation.
Area of Science:
- Environmental Science
- Materials Science
- Chemistry
Background:
- Hexavalent chromium (Cr(VI)) is a highly toxic and carcinogenic environmental pollutant originating from industrial activities.
- Cr(VI) poses significant risks to ecosystems and human health due to its persistence and accumulation.
- Reducing Cr(VI) to the less toxic Cr(III) is crucial for environmental remediation.
Purpose of the Study:
- To review the application of polysaccharide-based (nano)materials for Cr(VI) removal.
- To explore the mechanisms including adsorption, photocatalytic reduction, and chemical reduction.
- To highlight the potential of biopolymers in environmental pollutant remediation.
Main Methods:
- Literature review of studies employing polysaccharide-based materials for Cr(VI) removal.
- Analysis of adsorption, photocatalytic, and chemical reduction mechanisms.
- Investigation of the role of functional groups (e.g., -OH, -NH2) in biopolymers.
Main Results:
- Polysaccharide-based (nano)materials demonstrate significant efficiency in removing Cr(VI) from aqueous environments.
- These materials leverage adsorption, photocatalysis, and chemical reduction pathways for Cr(VI) remediation.
- Biopolymers offer advantages like biodegradability, biocompatibility, and accessibility for pollutant removal.
Conclusions:
- Polysaccharide-based (nano)materials are promising for the efficient and sustainable removal of hexavalent chromium.
- Their unique properties facilitate diverse remediation mechanisms, addressing environmental contamination.
- Further research into these biopolymer applications can lead to advanced environmental cleanup technologies.
